To start learning Titãs - O Que chords, centre your learning around these elemetal chords sequence: C, D, C, Dm, G, Dm, F, D, C, Bm, C, F and C. I suggest starting at a calm pace of 57 BPM, and as you gain confidence, approach the song's BPM of 116. Set the capo considering your vocal range and favored chords, aligned with the key: F Major.